for bool type use true and false (nw)

src/devices/bus/a7800/a78_slot.cpp

@@ -499,7 +499,7 @@ void a78_cart_slot_device::call_unload()
  has an admissible header
  -------------------------------------------------*/
 
-int a78_cart_slot_device::verify_header(char *header)
+bool a78_cart_slot_device::verify_header(char *header)
 {
 	const char *magic = "ATARI7800";
 

src/devices/bus/a7800/a78_slot.h

@@ -128,7 +128,7 @@ private:
 	device_a78_cart_interface*       m_cart;
 	int m_type;
 
-	int verify_header(char *header);
+	bool verify_header(char *header);
 	int validate_header(int head, bool log);
 	void internal_header_logging(UINT8 *header, UINT32 len);
 };

src/devices/bus/sega8/sega8_slot.cpp

@@ -213,7 +213,7 @@ static const char *sega8_get_slot(int type)
  call load
  -------------------------------------------------*/
 
-int sega8_cart_slot_device::verify_cart( UINT8 *magic, int size )
+bool sega8_cart_slot_device::verify_cart( UINT8 *magic, int size )
 {
 	int retval = IMAGE_VERIFY_FAIL;
 

src/devices/bus/sega8/sega8_slot.h

@@ -117,7 +117,7 @@ public:
 
 	void setup_ram();
 	void internal_header_logging(UINT8 *ROM, UINT32 len, UINT32 nvram_len);
-	int verify_cart(UINT8 *magic, int size);
+	bool verify_cart(UINT8 *magic, int size);
 	void set_lphaser_xoffset(UINT8 *rom, int size);
 
 	void save_ram() { if (m_cart && m_cart->get_ram_size()) m_cart->save_ram(); }

src/devices/imagedev/cassette.cpp

@@ -73,10 +73,10 @@ void cassette_image_device::device_config_complete()
 bool cassette_image_device::is_motor_on()
 {
 	if ((m_state & CASSETTE_MASK_UISTATE) == CASSETTE_STOPPED)
-		return FALSE;
+		return false;
 	if ((m_state & CASSETTE_MASK_MOTOR) != CASSETTE_MOTOR_ENABLED)
-		return FALSE;
+		return false;
-	return TRUE;
+	return true;
 }
 
 

src/devices/imagedev/midiin.h

@@ -42,7 +42,7 @@ public:
 	virtual bool must_be_loaded() const override { return 0; }
 	virtual bool is_reset_on_load() const override { return 0; }
 	virtual const char *file_extensions() const override { return "mid"; }
-	virtual bool core_opens_image_file() const override { return FALSE; }
+	virtual bool core_opens_image_file() const override { return false; }
 
 protected:
 	// device-level overrides

src/devices/imagedev/midiout.h

@@ -45,7 +45,7 @@ public:
 	virtual bool must_be_loaded() const override { return 0; }
 	virtual bool is_reset_on_load() const override { return 0; }
 	virtual const char *file_extensions() const override { return "mid"; }
-	virtual bool core_opens_image_file() const override { return FALSE; }
+	virtual bool core_opens_image_file() const override { return false; }
 
 	virtual void tx(UINT8 state) { rx_w(state); }
 

src/emu/debug/debugcon.cpp

@@ -332,7 +332,7 @@ CMDERR debugger_console::execute_command(const char *command, bool echo)
 		printf(">%s\n", command);
 
 	/* parse and execute */
-	result = internal_parse_command(command, TRUE);
+	result = internal_parse_command(command, true);
 
 	/* display errors */
 	if (result != CMDERR_NONE)

src/emu/diimage.h

@@ -101,7 +101,7 @@ class software_part;
 class software_info;
 
 // device image interface function types
-typedef delegate<int (device_image_interface &)> device_image_load_delegate;
+typedef delegate<bool (device_image_interface &)> device_image_load_delegate;
 typedef delegate<void (device_image_interface &)> device_image_func_delegate;
 // legacy
 typedef void (*device_image_partialhash_func)(util::hash_collection &, const unsigned char *, unsigned long, const char *);
@@ -110,15 +110,15 @@ typedef void (*device_image_partialhash_func)(util::hash_collection &, const uns
 //  MACROS
 //**************************************************************************
 
-#define IMAGE_INIT_PASS     FALSE
+#define IMAGE_INIT_PASS     false
-#define IMAGE_INIT_FAIL     TRUE
+#define IMAGE_INIT_FAIL     true
-#define IMAGE_VERIFY_PASS   FALSE
+#define IMAGE_VERIFY_PASS   false
-#define IMAGE_VERIFY_FAIL   TRUE
+#define IMAGE_VERIFY_FAIL   true
 
 #define DEVICE_IMAGE_LOAD_MEMBER_NAME(_name)           device_image_load_##_name
 #define DEVICE_IMAGE_LOAD_NAME(_class,_name)           _class::DEVICE_IMAGE_LOAD_MEMBER_NAME(_name)
-#define DECLARE_DEVICE_IMAGE_LOAD_MEMBER(_name)        int DEVICE_IMAGE_LOAD_MEMBER_NAME(_name)(device_image_interface &image)
+#define DECLARE_DEVICE_IMAGE_LOAD_MEMBER(_name)        bool DEVICE_IMAGE_LOAD_MEMBER_NAME(_name)(device_image_interface &image)
-#define DEVICE_IMAGE_LOAD_MEMBER(_class,_name)         int DEVICE_IMAGE_LOAD_NAME(_class,_name)(device_image_interface &image)
+#define DEVICE_IMAGE_LOAD_MEMBER(_class,_name)         bool DEVICE_IMAGE_LOAD_NAME(_class,_name)(device_image_interface &image)
 #define DEVICE_IMAGE_LOAD_DELEGATE(_class,_name)       device_image_load_delegate(&DEVICE_IMAGE_LOAD_NAME(_class,_name),#_class "::device_image_load_" #_name, downcast<_class *>(device->owner()))
 
 #define DEVICE_IMAGE_UNLOAD_MEMBER_NAME(_name)          device_image_unload_##_name
@@ -149,12 +149,12 @@ public:
 
 	virtual void device_compute_hash(util::hash_collection &hashes, const void *data, size_t length, const char *types) const;
 
-	virtual bool call_load() { return FALSE; }
+	virtual bool call_load() { return false; }
-	virtual bool call_create(int format_type, util::option_resolution *format_options) { return FALSE; }
+	virtual bool call_create(int format_type, util::option_resolution *format_options) { return false; }
 	virtual void call_unload() { }
 	virtual std::string call_display() { return std::string(); }
 	virtual device_image_partialhash_func get_partial_hash() const { return nullptr; }
-	virtual bool core_opens_image_file() const { return TRUE; }
+	virtual bool core_opens_image_file() const { return true; }
 	virtual iodevice_t image_type()  const = 0;
 	virtual bool is_readable()  const = 0;
 	virtual bool is_writeable() const = 0;
@@ -194,7 +194,7 @@ public:
 	int image_feof() { check_for_file(); return m_file->eof(); }
 	void *ptr() {check_for_file(); return const_cast<void *>(m_file->buffer()); }
 	// configuration access
-	void set_init_phase() { m_init_phase = TRUE; }
+	void set_init_phase() { m_init_phase = true; }
 
 	const char* longname() const { return m_longname.c_str(); }
 	const char* manufacturer() const { return m_manufacturer.c_str(); }

src/emu/input.cpp

@@ -718,7 +718,7 @@ bool input_seq::is_valid() const
 			// non-switch items can't have a NOT
 			input_item_class itemclass = code.item_class();
 			if (itemclass != ITEM_CLASS_SWITCH && lastcode == not_code)
-				return FALSE;
+				return false;
 
 			// absolute/relative items must all be the same class
 			if ((lastclass == ITEM_CLASS_ABSOLUTE && itemclass != ITEM_CLASS_ABSOLUTE) ||

src/emu/romload.cpp

@@ -576,13 +576,13 @@ int rom_load_manager::open_rom_file(const char *regiontag, const rom_entry *romp
 		// is actually a concatenation of: listname + setname + parentname
 		// separated by '%' (parentname being present only for clones)
 		std::string tag1(regiontag), tag2, tag3, tag4, tag5;
-		bool is_list = FALSE;
+		bool is_list = false;
-		bool has_parent = FALSE;
+		bool has_parent = false;
 
 		int separator1 = tag1.find_first_of('%');
 		if (separator1 != -1)
 		{
-			is_list = TRUE;
+			is_list = true;
 
 			// we are loading through softlists, split the listname from the regiontag
 			tag4.assign(tag1.substr(separator1 + 1, tag1.length() - separator1 + 1));
@@ -593,7 +593,7 @@ int rom_load_manager::open_rom_file(const char *regiontag, const rom_entry *romp
 			int separator2 = tag4.find_first_of('%');
 			if (separator2 != -1)
 			{
-				has_parent = TRUE;
+				has_parent = true;
 
 				// we are loading a clone through softlists, split the setname from the parentname
 				tag5.assign(tag4.substr(separator2 + 1, tag4.length() - separator2 + 1));
@@ -983,13 +983,13 @@ int open_disk_image(emu_options &options, const game_driver *gamedrv, const rom_
 		// is actually a concatenation of: listname + setname + parentname
 		// separated by '%' (parentname being present only for clones)
 		std::string tag1(locationtag), tag2, tag3, tag4, tag5;
-		bool is_list = FALSE;
+		bool is_list = false;
-		bool has_parent = FALSE;
+		bool has_parent = false;
 
 		int separator1 = tag1.find_first_of('%');
 		if (separator1 != -1)
 		{
-			is_list = TRUE;
+			is_list = true;
 
 			// we are loading through softlists, split the listname from the regiontag
 			tag4.assign(tag1.substr(separator1 + 1, tag1.length() - separator1 + 1));
@@ -1000,7 +1000,7 @@ int open_disk_image(emu_options &options, const game_driver *gamedrv, const rom_
 			int separator2 = tag4.find_first_of('%');
 			if (separator2 != -1)
 			{
-				has_parent = TRUE;
+				has_parent = true;
 
 				// we are loading a clone through softlists, split the setname from the parentname
 				tag5.assign(tag4.substr(separator2 + 1, tag4.length() - separator2 + 1));
@@ -1357,7 +1357,7 @@ void rom_load_manager::load_software_part_region(device_t &device, software_list
 
 		/* now process the entries in the region */
 		if (ROMREGION_ISROMDATA(region))
-			process_rom_entries(locationtag.c_str(), region, region + 1, &device, TRUE);
+			process_rom_entries(locationtag.c_str(), region, region + 1, &device, true);
 		else if (ROMREGION_ISDISKDATA(region))
 			process_disk_entries(regiontag.c_str(), region, region + 1, locationtag.c_str());
 	}
@@ -1370,7 +1370,7 @@ void rom_load_manager::load_software_part_region(device_t &device, software_list
 	}
 
 	/* display the results and exit */
-	display_rom_load_results(TRUE);
+	display_rom_load_results(true);
 }
 
 
@@ -1422,7 +1422,7 @@ void rom_load_manager::process_region_list()
 #endif
 
 				/* now process the entries in the region */
-				process_rom_entries(device.shortname(), region, region + 1, &device, FALSE);
+				process_rom_entries(device.shortname(), region, region + 1, &device, false);
 			}
 			else if (ROMREGION_ISDISKDATA(region))
 				process_disk_entries(regiontag.c_str(), region, region + 1, nullptr);
@@ -1483,5 +1483,5 @@ rom_load_manager::rom_load_manager(running_machine &machine)
 	process_region_list();
 
 	/* display the results and exit */
-	display_rom_load_results(FALSE);
+	display_rom_load_results(false);
 }

src/emu/screen.cpp

@@ -1143,14 +1143,14 @@ bool screen_device::update_partial(int scanline)
 		if (machine().video().skip_this_frame())
 		{
 			LOG_PARTIAL_UPDATES(("skipped due to frameskipping\n"));
-			return FALSE;
+			return false;
 		}
 
 		// skip if this screen is not visible anywhere
 		if (!machine().render().is_live(*this))
 		{
 			LOG_PARTIAL_UPDATES(("skipped because screen not live\n"));
-			return FALSE;
+			return false;
 		}
 	}
 

src/frontend/mame/clifront.cpp

@@ -1620,7 +1620,7 @@ void cli_frontend::getsoftlist(const char *gamename)
 {
 	FILE *out = stdout;
 	std::unordered_set<std::string> list_map;
-	bool isfirst = TRUE;
+	bool isfirst = true;
 
 	driver_enumerator drivlist(m_options);
 	while (drivlist.next())
@@ -1629,7 +1629,7 @@ void cli_frontend::getsoftlist(const char *gamename)
 			if (core_strwildcmp(gamename, swlistdev.list_name()) == 0 && list_map.insert(swlistdev.list_name()).second)
 				if (!swlistdev.get_info().empty())
 				{
-					if (isfirst) { fprintf( out, SOFTLIST_XML_BEGIN); isfirst = FALSE; }
+					if (isfirst) { fprintf( out, SOFTLIST_XML_BEGIN); isfirst = false; }
 					output_single_softlist(out, swlistdev);
 				}
 	}

src/frontend/mame/info.cpp

@@ -268,7 +268,7 @@ void info_xml_creator::output_one()
 					{
 						if (field.type() == IPT_KEYBOARD)
 						{
-							if (!new_kbd) new_kbd = TRUE;
+							if (!new_kbd) new_kbd = true;
 							field.set_player(field.player() + kbd_offset);
 						}
 						else
@@ -355,11 +355,11 @@ void info_xml_creator::output_one()
 
 void info_xml_creator::output_one_device(device_t &device, const char *devtag)
 {
-	bool has_speaker = FALSE, has_input = FALSE;
+	bool has_speaker = false, has_input = false;
 	// check if the device adds speakers to the system
 	sound_interface_iterator snditer(device);
 	if (snditer.first() != nullptr)
-		has_speaker = TRUE;
+		has_speaker = true;
 	// generate input list
 	ioport_list portlist;
 	std::string errors;
@@ -370,7 +370,7 @@ void info_xml_creator::output_one_device(device_t &device, const char *devtag)
 		for (ioport_field &field : port.second->fields())
 			if (field.type() >= IPT_START1 && field.type() < IPT_UI_FIRST)
 			{
-				has_input = TRUE;
+				has_input = true;
 				break;
 			}
 
@@ -894,7 +894,7 @@ void info_xml_creator::output_input(const ioport_list &portlist)
 	for (auto &port : portlist)
 	{
 		int ctrl_type = CTRL_DIGITAL_BUTTONS;
-		bool ctrl_analog = FALSE;
+		bool ctrl_analog = false;
 		for (ioport_field &field : port.second->fields())
 		{
 			// track the highest player number
@@ -996,75 +996,75 @@ void info_xml_creator::output_input(const ioport_list &portlist)
 				case IPT_AD_STICK_X:
 				case IPT_AD_STICK_Y:
 				case IPT_AD_STICK_Z:
-					ctrl_analog = TRUE;
+					ctrl_analog = true;
 					ctrl_type = CTRL_ANALOG_JOYSTICK;
 					control_info[field.player() * CTRL_COUNT + ctrl_type].type = "stick";
 					control_info[field.player() * CTRL_COUNT + ctrl_type].player = field.player() + 1;
-					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = TRUE;
+					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = true;
 					break;
 
 				case IPT_PADDLE:
 				case IPT_PADDLE_V:
-					ctrl_analog = TRUE;
+					ctrl_analog = true;
 					ctrl_type = CTRL_ANALOG_PADDLE;
 					control_info[field.player() * CTRL_COUNT + ctrl_type].type = "paddle";
 					control_info[field.player() * CTRL_COUNT + ctrl_type].player = field.player() + 1;
-					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = TRUE;
+					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = true;
 					break;
 
 				case IPT_PEDAL:
 				case IPT_PEDAL2:
 				case IPT_PEDAL3:
-					ctrl_analog = TRUE;
+					ctrl_analog = true;
 					ctrl_type = CTRL_ANALOG_PEDAL;
 					control_info[field.player() * CTRL_COUNT + ctrl_type].type = "pedal";
 					control_info[field.player() * CTRL_COUNT + ctrl_type].player = field.player() + 1;
-					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = TRUE;
+					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = true;
 					break;
 
 				case IPT_LIGHTGUN_X:
 				case IPT_LIGHTGUN_Y:
-					ctrl_analog = TRUE;
+					ctrl_analog = true;
 					ctrl_type = CTRL_ANALOG_LIGHTGUN;
 					control_info[field.player() * CTRL_COUNT + ctrl_type].type = "lightgun";
 					control_info[field.player() * CTRL_COUNT + ctrl_type].player = field.player() + 1;
-					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = TRUE;
+					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = true;
 					break;
 
 				case IPT_POSITIONAL:
 				case IPT_POSITIONAL_V:
-					ctrl_analog = TRUE;
+					ctrl_analog = true;
 					ctrl_type = CTRL_ANALOG_POSITIONAL;
 					control_info[field.player() * CTRL_COUNT + ctrl_type].type = "positional";
 					control_info[field.player() * CTRL_COUNT + ctrl_type].player = field.player() + 1;
-					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = TRUE;
+					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = true;
 					break;
 
 				case IPT_DIAL:
 				case IPT_DIAL_V:
-					ctrl_analog = TRUE;
+					ctrl_analog = true;
 					ctrl_type = CTRL_ANALOG_DIAL;
 					control_info[field.player() * CTRL_COUNT + ctrl_type].type = "dial";
 					control_info[field.player() * CTRL_COUNT + ctrl_type].player = field.player() + 1;
-					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = TRUE;
+					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = true;
 					break;
 
 				case IPT_TRACKBALL_X:
 				case IPT_TRACKBALL_Y:
-					ctrl_analog = TRUE;
+					ctrl_analog = true;
 					ctrl_type = CTRL_ANALOG_TRACKBALL;
 					control_info[field.player() * CTRL_COUNT + ctrl_type].type = "trackball";
 					control_info[field.player() * CTRL_COUNT + ctrl_type].player = field.player() + 1;
-					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = TRUE;
+					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = true;
 					break;
 
 				case IPT_MOUSE_X:
 				case IPT_MOUSE_Y:
-					ctrl_analog = TRUE;
+					ctrl_analog = true;
 					ctrl_type = CTRL_ANALOG_MOUSE;
 					control_info[field.player() * CTRL_COUNT + ctrl_type].type = "mouse";
 					control_info[field.player() * CTRL_COUNT + ctrl_type].player = field.player() + 1;
-					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = TRUE;
+					control_info[field.player() * CTRL_COUNT + ctrl_type].analog = true;
 					break;
 
 				// map buttons
@@ -1084,12 +1084,12 @@ void info_xml_creator::output_input(const ioport_list &portlist)
 				case IPT_BUTTON14:
 				case IPT_BUTTON15:
 				case IPT_BUTTON16:
-					ctrl_analog = FALSE;
+					ctrl_analog = false;
 					if (control_info[field.player() * CTRL_COUNT + ctrl_type].type == nullptr)
 					{
 						control_info[field.player() * CTRL_COUNT + ctrl_type].type = "only_buttons";
 						control_info[field.player() * CTRL_COUNT + ctrl_type].player = field.player() + 1;
-						control_info[field.player() * CTRL_COUNT + ctrl_type].analog = FALSE;
+						control_info[field.player() * CTRL_COUNT + ctrl_type].analog = false;
 					}
 					control_info[field.player() * CTRL_COUNT + ctrl_type].maxbuttons = std::max(control_info[field.player() * CTRL_COUNT + ctrl_type].maxbuttons, field.type() - IPT_BUTTON1 + 1);
 					control_info[field.player() * CTRL_COUNT + ctrl_type].nbuttons++;
@@ -1184,7 +1184,7 @@ void info_xml_creator::output_input(const ioport_list &portlist)
 				if (field.delta() != 0)
 					control_info[field.player() * CTRL_COUNT + ctrl_type].keydelta = field.delta();
 				if (field.analog_reverse() != 0)
-					control_info[field.player() * CTRL_COUNT + ctrl_type].reverse = TRUE;
+					control_info[field.player() * CTRL_COUNT + ctrl_type].reverse = true;
 			}
 		}
 	}
@@ -1196,7 +1196,7 @@ void info_xml_creator::output_input(const ioport_list &portlist)
 	// for lightguns) and therefore we really need this separate loop.
 	for (int i = 0; i < CTRL_PCOUNT; i++)
 	{
-		bool fix_done = FALSE;
+		bool fix_done = false;
 		for (int j = 1; j < CTRL_COUNT; j++)
 			if (control_info[i * CTRL_COUNT].type != nullptr && control_info[i * CTRL_COUNT + j].type != nullptr && !fix_done)
 			{
@@ -1205,7 +1205,7 @@ void info_xml_creator::output_input(const ioport_list &portlist)
 				control_info[i * CTRL_COUNT + j].maxbuttons = std::max(control_info[i * CTRL_COUNT + j].maxbuttons, control_info[i * CTRL_COUNT].maxbuttons);
 
 				memset(&control_info[i * CTRL_COUNT], 0, sizeof(control_info[0]));
-				fix_done = TRUE;
+				fix_done = true;
 			}
 	}
 

src/frontend/mame/ui/filemngr.cpp

@@ -40,7 +40,7 @@ menu_file_manager::menu_file_manager(mame_ui_manager &mui, render_container &con
 	else
 		m_warnings.clear();
 
-	m_curr_selected = FALSE;
+	m_curr_selected = false;
 }
 
 
@@ -180,7 +180,7 @@ void menu_file_manager::handle()
 			selected_device = (device_image_interface *) event->itemref;
 			if (selected_device != nullptr)
 			{
-				m_curr_selected = TRUE;
+				m_curr_selected = true;
 				floppy_image_device *floppy_device = dynamic_cast<floppy_image_device *>(selected_device);
 				if (floppy_device != nullptr)
 				{

src/frontend/mame/ui/ui.cpp

@@ -281,7 +281,7 @@ void mame_ui_manager::display_startup_screens(bool first_time)
 	// disable everything if we are using -str for 300 or fewer seconds, or if we're the empty driver,
 	// or if we are debugging
 	if (!first_time || (str > 0 && str < 60*5) || &machine().system() == &GAME_NAME(___empty) || (machine().debug_flags & DEBUG_FLAG_ENABLED) != 0)
-		show_gameinfo = show_warnings = show_mandatory_fileman = FALSE;
+		show_gameinfo = show_warnings = show_mandatory_fileman = false;
 
 	#if defined(EMSCRIPTEN)
 	// also disable for the JavaScript port since the startup screens do not run asynchronously

src/lib/formats/dsk_dsk.cpp

@@ -343,13 +343,13 @@ struct sector_header
 bool dsk_format::load(io_generic *io, UINT32 form_factor, floppy_image *image)
 {
 	UINT8 header[0x100];
-	bool extendformat = FALSE;
+	bool extendformat = false;
 
 	UINT64 image_size = io_generic_size(io);
 
 	io_generic_read(io, &header, 0, sizeof(header));
 	if ( memcmp( header, EXT_FORMAT_HEADER, 16 ) ==0) {
-		extendformat = TRUE;
+		extendformat = true;
 	}
 
 	int heads = header[0x31];

src/lib/util/aviio.cpp

@@ -1945,7 +1945,7 @@ avi_file::error avi_file_impl::append_sound_samples(int channel, const std::int1
 	m_soundbuf_chansamples[channel] = sampoffset;
 
 	/* flush any full sound chunks to disk */
-	return soundbuf_flush(TRUE);
+	return soundbuf_flush(true);
 }
 
 

src/mame/drivers/coleco.cpp

@@ -352,7 +352,7 @@ void coleco_state::machine_reset()
 	m_last_nmi_state = 0;
 }
 
-//static int coleco_cart_verify(const UINT8 *cartdata, size_t size)
+//static bool coleco_cart_verify(const UINT8 *cartdata, size_t size)
 //{
 //  int retval = IMAGE_VERIFY_FAIL;
 //

src/mame/includes/lviv.h

@@ -57,7 +57,7 @@ public:
 	void lviv_update_memory ();
 	void lviv_setup_snapshot (UINT8 * data);
 	void dump_registers();
-	int lviv_verify_snapshot (UINT8 * data, UINT32 size);
+	bool lviv_verify_snapshot (UINT8 * data, UINT32 size);
 	DECLARE_SNAPSHOT_LOAD_MEMBER( lviv );
 	DECLARE_INPUT_CHANGED_MEMBER(lviv_reset);
 };

src/mame/includes/lynx.h

@@ -181,7 +181,7 @@ public:
 	void lynx_timer_count_down(int which);
 	UINT32 lynx_time_factor(int val);
 	void lynx_uart_reset();
-	int lynx_verify_cart (char *header, int kind);
+	bool lynx_verify_cart (char *header, int kind);
 	DECLARE_QUICKLOAD_LOAD_MEMBER( lynx );
 
 protected:

src/mame/includes/microtan.h

@@ -88,7 +88,7 @@ public:
 	UINT8 read_dsw();
 	void microtan_set_irq_line();
 	void store_key(int key);
-	int microtan_verify_snapshot(UINT8 *data, int size);
+	bool microtan_verify_snapshot(UINT8 *data, int size);
 	int parse_intel_hex(UINT8 *snapshot_buff, char *src);
 	int parse_zillion_hex(UINT8 *snapshot_buff, char *src);
 	void microtan_set_cpu_regs(const UINT8 *snapshot_buff, int base);

src/mame/machine/lviv.cpp

@@ -281,7 +281,7 @@ void lviv_state::dump_registers()
 	logerror("HL   = %04x\n", (unsigned) m_maincpu->state_int(I8085_HL));
 }
 
-int lviv_state::lviv_verify_snapshot (UINT8 * data, UINT32 size)
+bool lviv_state::lviv_verify_snapshot (UINT8 * data, UINT32 size)
 {
 	const char* tag = "LVOV/DUMP/2.0/";
 

src/mame/machine/lynx.cpp

@@ -2030,7 +2030,7 @@ void lynx_state::machine_start()
 
 ****************************************/
 
-int lynx_state::lynx_verify_cart (char *header, int kind)
+bool lynx_state::lynx_verify_cart (char *header, int kind)
 {
 	if (kind)
 	{

src/mame/machine/microtan.cpp

@@ -522,7 +522,7 @@ void microtan_state::machine_reset()
 	output().set_led_value(1, (m_keyrows[3] & 0x80) ? 0 : 1);
 }
 
-int microtan_state::microtan_verify_snapshot(UINT8 *data, int size)
+bool microtan_state::microtan_verify_snapshot(UINT8 *data, int size)
 {
 	if (size == 8263)
 	{

src/osd/modules/input/input_common.h

@@ -464,10 +464,10 @@ class input_module_base : public input_module
 public:
 	input_module_base(const char *type, const char* name)
 		: input_module(type, name),
-		m_input_enabled(FALSE),
+		m_input_enabled(false),
-		m_mouse_enabled(FALSE),
+		m_mouse_enabled(false),
-		m_lightgun_enabled(FALSE),
+		m_lightgun_enabled(false),
-		m_input_paused(FALSE),
+		m_input_paused(false),
 		m_options(nullptr)
 	{
 	}

src/osd/modules/input/input_rawinput.cpp

@@ -523,7 +523,7 @@ protected:
 	{
 		// Only handle raw input data
 		if (!input_enabled() || eventid != INPUT_EVENT_RAWINPUT)
-			return FALSE;
+			return false;
 
 		HRAWINPUT rawinputdevice = *static_cast<HRAWINPUT*>(eventdata);
 
@@ -535,11 +535,11 @@ protected:
 
 		// ignore if not enabled
 		if (!input_enabled())
-			return FALSE;
+			return false;
 
 		// determine the size of databuffer we need
 		if ((*get_rawinput_data)(rawinputdevice, RID_INPUT, nullptr, &size, sizeof(RAWINPUTHEADER)) != 0)
-			return FALSE;
+			return false;
 
 		// if necessary, allocate a temporary buffer and fetch the data
 		if (size > sizeof(small_buffer))
@@ -547,7 +547,7 @@ protected:
 			larger_buffer = std::make_unique<BYTE[]>(size);
 			data = larger_buffer.get();
 			if (data == nullptr)
-				return FALSE;
+				return false;
 		}
 
 		// fetch the data and process the appropriate message types
@@ -567,7 +567,7 @@ protected:
 					if (input->header.hDevice == devinfo->device_handle())
 					{
 						devinfo->queue_events(input, 1);
-						result = TRUE;
+						result = true;
 					}
 				}
 			}

src/osd/modules/input/input_win32.cpp

@@ -95,7 +95,7 @@ public:
 	bool handle_input_event(input_event eventid, void *eventdata) override
 	{
 		if (!input_enabled())
-			return FALSE;
+			return false;
 
 		KeyPressEventArgs *args;
 
@@ -107,10 +107,10 @@ public:
 				for (int i = 0; i < devicelist()->size(); i++)
 					downcast<win32_keyboard_device*>(devicelist()->at(i))->queue_events(args, 1);
 
-				return TRUE;
+				return true;
 
 			default:
-				return FALSE;
+				return false;
 		}
 	}
 };
@@ -231,13 +231,13 @@ public:
 	bool handle_input_event(input_event eventid, void *eventdata) override
 	{
 		if (!input_enabled() || !mouse_enabled() || eventid != INPUT_EVENT_MOUSE_BUTTON)
-			return FALSE;
+			return false;
 
 		auto args = static_cast<MouseButtonEventArgs*>(eventdata);
 		for (int i = 0; i < devicelist()->size(); i++)
 			downcast<win32_mouse_device*>(devicelist()->at(i))->queue_events(args, 1);
 
-		return TRUE;
+		return true;
 	}
 };
 

src/osd/modules/render/d3d/d3dhlsl.cpp

@@ -540,19 +540,19 @@ bool shaders::init(d3d_base *d3dintf, running_machine *machine, renderer_d3d9 *r
 		options->scanline_bright_offset = winoptions.screen_scanline_bright_offset();
 		options->scanline_jitter = winoptions.screen_scanline_jitter();
 		options->hum_bar_alpha = winoptions.screen_hum_bar_alpha();
-		get_vector(winoptions.screen_defocus(), 2, options->defocus, TRUE);
+		get_vector(winoptions.screen_defocus(), 2, options->defocus, true);
-		get_vector(winoptions.screen_converge_x(), 3, options->converge_x, TRUE);
+		get_vector(winoptions.screen_converge_x(), 3, options->converge_x, true);
-		get_vector(winoptions.screen_converge_y(), 3, options->converge_y, TRUE);
+		get_vector(winoptions.screen_converge_y(), 3, options->converge_y, true);
-		get_vector(winoptions.screen_radial_converge_x(), 3, options->radial_converge_x, TRUE);
+		get_vector(winoptions.screen_radial_converge_x(), 3, options->radial_converge_x, true);
-		get_vector(winoptions.screen_radial_converge_y(), 3, options->radial_converge_y, TRUE);
+		get_vector(winoptions.screen_radial_converge_y(), 3, options->radial_converge_y, true);
-		get_vector(winoptions.screen_red_ratio(), 3, options->red_ratio, TRUE);
+		get_vector(winoptions.screen_red_ratio(), 3, options->red_ratio, true);
-		get_vector(winoptions.screen_grn_ratio(), 3, options->grn_ratio, TRUE);
+		get_vector(winoptions.screen_grn_ratio(), 3, options->grn_ratio, true);
-		get_vector(winoptions.screen_blu_ratio(), 3, options->blu_ratio, TRUE);
+		get_vector(winoptions.screen_blu_ratio(), 3, options->blu_ratio, true);
-		get_vector(winoptions.screen_offset(), 3, options->offset, TRUE);
+		get_vector(winoptions.screen_offset(), 3, options->offset, true);
-		get_vector(winoptions.screen_scale(), 3, options->scale, TRUE);
+		get_vector(winoptions.screen_scale(), 3, options->scale, true);
-		get_vector(winoptions.screen_power(), 3, options->power, TRUE);
+		get_vector(winoptions.screen_power(), 3, options->power, true);
-		get_vector(winoptions.screen_floor(), 3, options->floor, TRUE);
+		get_vector(winoptions.screen_floor(), 3, options->floor, true);
-		get_vector(winoptions.screen_phosphor(), 3, options->phosphor, TRUE);
+		get_vector(winoptions.screen_phosphor(), 3, options->phosphor, true);
 		options->saturation = winoptions.screen_saturation();
 		options->yiq_enable = winoptions.screen_yiq_enable();
 		options->yiq_jitter = winoptions.screen_yiq_jitter();
@@ -572,7 +572,7 @@ bool shaders::init(d3d_base *d3dintf, running_machine *machine, renderer_d3d9 *r
 		options->vector_length_ratio = winoptions.screen_vector_length_ratio();
 		options->bloom_blend_mode = winoptions.screen_bloom_blend_mode();
 		options->bloom_scale = winoptions.screen_bloom_scale();
-		get_vector(winoptions.screen_bloom_overdrive(), 3, options->bloom_overdrive, TRUE);
+		get_vector(winoptions.screen_bloom_overdrive(), 3, options->bloom_overdrive, true);
 		options->bloom_level0_weight = winoptions.screen_bloom_lvl0_weight();
 		options->bloom_level1_weight = winoptions.screen_bloom_lvl1_weight();
 		options->bloom_level2_weight = winoptions.screen_bloom_lvl2_weight();

src/osd/modules/render/drawd3d.cpp

@@ -854,7 +854,7 @@ try_again:
 			D3DRTYPE_TEXTURE, m_screen_format);
 		if (FAILED(result) && m_texture_manager->is_dynamic_supported())
 		{
-			m_texture_manager->set_dynamic_supported(FALSE);
+			m_texture_manager->set_dynamic_supported(false);
 			goto try_again;
 		}
 		if (FAILED(result))

src/osd/osdsync.h

@@ -91,7 +91,7 @@ public:
 					{
 						if (!m_signalled)
 						{
-							return FALSE;
+							return false;
 						}
 						else
 							break;

src/osd/windows/window.cpp

@@ -406,7 +406,7 @@ void winwindow_process_events_periodic(running_machine &machine)
 	// update once every 1/8th of a second
 	if (currticks - last_event_check < std::chrono::milliseconds(1000 / 8))
 		return;
-	winwindow_process_events(machine, TRUE, FALSE);
+	winwindow_process_events(machine, TRUE, false);
 }
 
 
@@ -415,13 +415,13 @@ void winwindow_process_events_periodic(running_machine &machine)
 //  is_mame_window
 //============================================================
 
-static BOOL is_mame_window(HWND hwnd)
+static bool is_mame_window(HWND hwnd)
 {
 	for (auto window : osd_common_t::s_window_list)
 		if (window->platform_window<HWND>() == hwnd)
-			return TRUE;
+			return true;
 
-	return FALSE;
+	return false;
 }
 
 inline static BOOL handle_mouse_button(windows_osd_interface *osd, int button, int down, int x, int y)